REDCATT182FIND
£201.01Fs31 Hz +7%
Qts0.23 +28%, worse
Vas208.6 L +46%, worse
BL35.4 T·m –
Xmax5.8 mm −75%, worse
Sensitivity96.2 dB +1.5
18-inch LF driver · 18RS series · 116 mm voice coil · 2,000 W
B&C 18RS115 4Ω
4 Ω · 29–1000 Hz
No current price
- Fs
- 29Hz
- Xmax
- 23.3mm
- SPL
- 95dB
- Pe
- 2000W
- BL
- 35.3T·m
- Vd
- 2819cm³
- Qts
- 0.18
- Vas
- 143L
Published graphs
B&C 18RS115 is an 18-inch 4 ohm LF driver rated at 2000 W RMS. The validated T/S data includes Fs 29 Hz, Qts 0.18, Vas 143 L, Xmax 23.3 mm, sensitivity 94.7 dB, plus 2819 cm³ Vd and 153 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
The published T/S values agree with each other
Thiele/Small
- Fs
- 29Hz
- Qts
- 0.18
- Qes
- 0.19
- Qms
- 9
- Vas
- 143L
- Re
- 3Ω
- Le
- 3.30mH
Motor and cone
- BL
- 35.3T·m
- Sd
- 1210cm²
- Mms
- 422g
- Xmax
- 23.3mm
- Vd †
- 2819cm³
- Voice coil
- 116mm
- Flux density
- 0.90T
Power and response
- Sensitivity †
- 94.7dB
- Manufacturer sensitivity
- 96dB
- Power
- 2000W
- Nominal power
- 2000W
- Impedance
- 4Ω
- Min. impedance
- 4.5Ω
- Range
- 29–1000Hz
- EBP †
- 153 · Leans vented
Size and mounting
- Diameter
- 460mm
- Cutout
- 425mm
- Bolt circle
- 443mm
- Depth
- 261mm
- Weight
- 15.4kg
Sensitivity shows 94.7 dB, calculated from the T/S values. B&C publishes 96.0 dB, 1.3 dB apart.
† Calculated by bits from the published values
What this validation status means
Everything else B&C lists
LF
- BL
- 35.3T·m
- Fs
- 29Hz
- Le
- 3.30mH
- Re
- 3Ω
- Sd
- 1210cm²
- Mms
- 422g
- Qes
- 0.19
- Qms
- 9
- Qts
- 0.18
- SPL
- 94.7dB
- Vas
- 143L
- Xmax
- 23.3mm
- Power
- 2000W
- Impedance
- 4Ω
- Flux density
- 0.90T
- Sensitivity
- 96dB
- Low limit
- 29Hz
- Nominal power
- 2000W
- Calculated sensitivity †
- 94.7dB
- High limit
- 1000Hz
- Manufacturer sensitivity
- 96dB
- Min. impedance
- 4.5Ω
- Voice coil
- 116mm
- Weight
- 15.4kg
- Diameter
- 460mm
- Depth
- 261mm
- Cutout
- 425mm
- Bolt circle
- 443mm
- Bl
- 35.3 Tm
- Fs
- 29 Hz
- Le
- 3.3 mH
- Re
- 3 Ω
- Sd
- 1210 cm² (187.55 in²)
- Ebp
- 153 Hz
- Mms
- 422 g
- Qes
- 0.19
- Qms
- 9
- Qts
- 0.18
- Vas
- 143 dm³ (5.05 ft³)
- Η0
- 1.92 %
- Xmax
- 23.3 mm
- Xvar
- 22 mm
- Depth
- 261 mm (10.28 in)
- Spider
- Double Silicone
- Cone shape
- Straight
- Net weight
- 15.4 kg (33.95 lb)
- Pole design
- T-Pole
- Sensitivity
- 96 dB
- Flux density
- 0.9 T
- Winding depth
- 53.5 mm (2.11 in)
- Surround shape
- Triple Roll
- Former material
- Glass Fibre
- Frequency range
- 29 Hz - 1000 Hz
- Magnet material
- Neodymium Inside Slug
- Nominal diameter
- 460 mm (18 in)
- Overall diameter
- 460 mm (18 in)
- Winding material
- Aluminium
- Minimum impedance
- 4.5 Ω
- Nominal impedance
- 4 Ω
- Magnetic gap depth
- 14 mm (0.55 in)
- Voice coil diameter
- 116 mm (4.5 in)
- Bolt circle diameter
- 443 mm (17.44 in)
- Woofer cone treatment
- TWP Waterproof Both Sides
- Baffle cutout diameter
- 425 mm (16.73 in)
- Nominal power handling
- 2000 W
- Continuous power handling
- 4000 W
- Flange and gasket thickness
- 16 mm (0.63 in)
- Air volume occupied by driver
- 10 dm³ (0.35 ft³)
02
Designs
Plans from builders
Links to published plans that name this driver
Fits magnet-in-horn, or with a 30 mm spacer ring, the designer says
03
Compare
Same-size drivers, compared with the 18RS115. Clear differences are green when better and red when worse.
This driver18RS115
Best price
–
Fs
29 Hz
Qts
0.18
Vas
143 L
BL
35.3 T·m
Xmax
23.3 mm
Sensitivity
94.7 dB
Power
2000 W
Beyma18QLEX1600FE
£299.00Fs30 Hz +3%
Qts0.23 +28%, worse
Vas195 L +36%, worse
BL36.4 T·m +3%
Xmax13 mm −44%, worse
Sensitivity95.4 dB +0.7
SB AudienceNERO-18SW1100D
£337.80Fs36 Hz +24%, worse
Qts0.33 +83%, worse
Vas153.1 L +7%
BL30.9 T·m −12%, worse
Xmax12.2 mm −48%, worse
Sensitivity95.3 dB +0.6
B&C18DS100
£349.66Fs32 Hz +10%, worse
Qts0.24 +33%, worse
Vas157 L +10%
BL24.3 T·m −31%, worse
Xmax14 mm −40%, worse
Sensitivity95.3 dB +0.6
Precision DevicesPD.185C003
£359.00Fs33 Hz +14%, worse
Qts0.24 +33%, worse
Vas224 L +57%, worse
BL31.5 T·m −11%, worse
Xmax11 mm −53%, worse
Sensitivity97.5 dB +2.8, better
CelestionTSQ1845
£384.29Fs35 Hz +21%, worse
Qts0.29 +61%, worse
Vas119.3 L −17%, better
BL33.8 T·m −4%
Xmax15 mm −36%, worse
Sensitivity94.3 dB –
SB AudienceNERO-18SW1900D
£396.92Fs34 Hz +17%, worse
Qts0.42 +133%, worse
Vas157.9 L +10%, worse
BL28.5 T·m −19%, worse
Xmax17.5 mm −25%, worse
Sensitivity93.6 dB −1.1
CelestionCF18VJD
£399.00Fs35 Hz +19%, worse
Qts0.31 +72%, worse
Vas145.8 L –
BL32.6 T·m −8%
Xmax12 mm −48%, worse
Sensitivity94.6 dB –
No photo
Precision DevicesPD.1845-2N
£425.00Fs35 Hz +21%, worse
Qts0.39 +116%, worse
Vas157 L +10%
BL27 T·m −24%, worse
Xmax18 mm −23%, worse
Sensitivity94.3 dB –
B&C18DS115
£438.34Fs30 Hz +3%
Qts0.17 −6%
Vas177 L +24%, worse
BL34 T·m −4%
Xmax16.5 mm −29%, worse
Sensitivity96.3 dB +1.6
MonacorCF18VJD/8
£446.78Fs35 Hz +19%, worse
Qts0.31 +72%, worse
Vas145.8 L –
BL32.6 T·m −8%
Xmax12 mm −48%, worse
Sensitivity94.6 dB –
Eighteen Sound18NLS4000
£486.84Fs27 Hz −7%
Qts0.35 +94%, worse
Vas168 L +17%, worse
BL24.2 T·m −31%, worse
Xmax22.3 mm −4%
Sensitivity91.7 dB −3, worse
REDCATT181XR
£548.94Fs30 Hz +3%
Qts0.23 +28%, worse
Vas195 L +36%, worse
BL28.3 T·m −20%, worse
Xmax17 mm −27%, worse
Sensitivity95.4 dB +0.7
B&C18IPAL
£691.79Fs32 Hz +10%, worse
Qts0.14 −22%, better
Vas164 L +15%, worse
BL24.5 T·m −31%, worse
Xmax20 mm −14%, worse
Sensitivity97.9 dB +3.2, better
Eighteen Sound18ID200
£721.20Fs29 Hz –
Qts0.17 −6%
Vas136 L −5%
BL24.4 T·m −31%, worse
Xmax18 mm −23%, worse
Sensitivity94.7 dB –
B&C19RS115
No current priceFs30 Hz +3%
Qts0.20 +11%, worse
Vas198 L +38%, worse
BL34.9 T·m –
Xmax23.3 mm –
Sensitivity96.1 dB +1.4
Eighteen Sound18IDSDS
No current priceFs29 Hz –
Qts0.17 −6%
Vas136 L −5%
BL24.4 T·m −31%, worse
Xmax18 mm −23%, worse
Sensitivity94.7 dB –
LavoceSAF185.00
No current priceFs34 Hz +17%, worse
Qts0.23 +28%, worse
Vas164.3 L +15%, worse
BL37.5 T·m +6%
Xmax11.6 mm −50%, worse
Sensitivity96.3 dB +1.6
Oberton18XB1500V2
No current priceFs36 Hz +23%, worse
Qts0.23 +25%, worse
Vas192.5 L +35%, worse
BL31.6 T·m −11%, worse
Xmax11 mm −53%, worse
Sensitivity97.9 dB +3.2, better
Oberton18NXB1601
No current priceFs35 Hz +19%, worse
Qts0.29 +59%, worse
Vas146.2 L –
BL30.5 T·m −14%, worse
Xmax12.5 mm −46%, worse
Sensitivity95.1 dB –
VAS Audio18-1700NC
No current priceFs32 Hz +10%, worse
Qts0.28 +56%, worse
Vas178 L +24%, worse
BL34.4 T·m –
Xmax13.5 mm −42%, worse
Sensitivity95.1 dB –
Eighteen Sound18NLW4000
No current priceFs34 Hz +17%, worse
Qts0.33 +83%, worse
Vas135 L −6%
BL30 T·m −15%, worse
Xmax15 mm −36%, worse
Sensitivity94 dB −0.7
VAS Audio18-1700FC
No current priceFs33 Hz +14%, worse
Qts0.29 +64%, worse
Vas181 L +27%, worse
BL33 T·m −7%
Xmax13.5 mm −42%, worse
Sensitivity95.4 dB +0.7
Precision DevicesPD.1852/2
No current priceFs42 Hz +44%, worse
Qts0.33 +83%, worse
Vas120.4 L −16%, better
BL30.5 T·m −14%, worse
Xmax12 mm −48%, worse
Sensitivity96.2 dB +1.5
Oberton18NXB1200
No current priceFs36 Hz +24%, worse
Qts0.28 +57%, worse
Vas159.6 L +12%, worse
BL29.4 T·m −17%, worse
Xmax11.5 mm −51%, worse
Sensitivity96 dB +1.3
Precision DevicesPD.1850/3
No current priceFs33 Hz +14%, worse
Qts0.24 +33%, worse
Vas203.8 L +43%, worse
BL31.0 T·m −12%, worse
Xmax11.1 mm −53%, worse
Sensitivity96.9 dB +2.2, better
Oberton18NXB700
No current priceFs36 Hz +25%, worse
Qts0.31 +73%, worse
Vas155.5 L +9%
BL27.8 T·m −21%, worse
Xmax9 mm −61%, worse
Sensitivity95.6 dB +0.9
REDCATT186FIND
No current priceFs33 Hz +14%, worse
Qts0.35 +94%, worse
Vas174.2 L +22%, worse
BL30.2 T·m −14%, worse
Xmax8.4 mm −64%, worse
Sensitivity94.4 dB –
Eighteen Sound18NLW9601C
No current priceFs38 Hz +31%, worse
Qts0.34 +89%, worse
Vas99 L −31%, better
BL31.7 T·m −10%, worse
Xmax14 mm −40%, worse
Sensitivity93.8 dB −0.9
Oberton18NXB1600
No current priceFs32 Hz +12%, worse
Qts0.30 +68%, worse
Vas173.1 L +21%, worse
BL29.6 T·m −16%, worse
Xmax13.5 mm −42%, worse
Sensitivity94.5 dB –
Tune the match
Choose the published values that matter to your design. Size stays matched to this driver.
Qts
Qes
VasL
Xmaxmm
BLTm
No current price found. Pricing may appear after the next vendor refresh.